Sewing-machine



(No Model.)

. l -2 Sheets- -She'et 1., G.- H. DIMOND-8v 'J. AQHOUSE.

sswme- MAGHINE. Patented D60. 12, 1882.

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' 2 Sheets-Sheet 2 G. H. DIMOI'ND 8v -J. A. HOUSE. SEWING MAOHINE.

No. 268,877. Patented De0.12., 1882.

(No Model.)

UNITED STATES PATENT OFFICE.

GEORGE H. DIMOND AND JAMES A. HOUSE, CF-BRIDGEPORT, CONNECTICUT.

SEWING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 268:877, dated December 12, 1882.

Application filed September 16, 1882. (K model.) 7

To all whom it may concern Be it known that we, GEORGE E. DIMOND and JAMES A. HOUSE, of Bridgeport, county Fairfield, State of Connecticut, have invented a new and useful Improvementin Sewing-Machines, which is fully set forth in the following specification and accompanying drawings, in which-- Figure l is a perspective view of a sewingmachine of the Wheeler 85 Wilson variety having our improved presser-foot and vibrating attachment affixed; Fig. 2, a side view in section of the cam and stud by which the presserfoot is lifted; Fig. 3, an end view of the same; Fig. 4, an end view of the presser-foot and vibratin g attachment.

Our improvements relate to that class of sewing-machines in which the presser-foot is raised and vibrated at every stitch, and which are thereby especially adapted to sewing two pieces of material together without gathering either surface, binding, and many other special purposes, and they are to be found in thepeculiar construction of the presser-foot itself and the devices adopted for raising and moving the same.

A represents the bed of the machine; B, the presser-foot; C, the presser-foot spring; D, thevibratinglever; E, the vibrating-lever stud; F, the cam; G, the yoke upon which the presser-foot is hung, H, the presser-bar; I, the presser-barcollar; J, the stud thereon.

Presser-foot B is hung forward of its center upon yoke G to make its forward movement slightly depressing, thereby securing such positive engagement with the material that the joint simultaneous rearward movement of both feed and presser-foot will advance the material bodily, andpreveut any of that slipping of one surface of the material upon the other which produces unevenness of stitch and irregularity of contact between thepieces, which mars the appearance and destroys the finish of the work in many kinds of manufacture.

The action of the designated parts is this: 5

The material is fed in the direction indicated by arrow X on Fig.1. Cam F lifts stud E, projectingfrom vibratinglever D, bearing beneath stud J of collar 1 upon presser-bar H, which is thereby lifted, carrying yoke G and presserfoot B with it. Presser-foot spring C throws presse'r-foot B forward, and the feed rises.

Cam F releases stud E, and presser-foot B drops upon the material, which is now firmly grasped by it and the feed, and they move forward together and a stitch is taken. As the needle recedes the operation is repeated. Cam

F is so shaped that it raises and drops stud E at equal speed, thereby preventing any shock in the fallofthe presser-foot upon the material. What we claim as our invention, and desire to secure by Letters Patent, is- 

